/* Copyright (C) 2003-2016 Patrick G. Durand
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.plealog.prefs4j.implem.ui.model;

import javax.swing.*;

/**
 * This class defines an action selecting an entry within a Choice.
 *
 * @author Patrick G. Durand
 */
public class FormActionSelectValue extends AbstractFormAction {
	private String _key;

	public FormActionSelectValue() {
	}

	public FormActionSelectValue(String name, String targetItemName, String key) {
		setName(name);
		setTargetItemName(targetItemName);
		setKey(key);
	}

	public String getKey() {
		return _key;
	}

	public void setKey(String key) {
		_key = key;
	}

	private void selectComboValue(ItemGUIContainer target) {
		Item item;
		JComboBox<ChoiceEntry> combo;
		Choice choice;
		ChoiceEntry ce;

		item = target.getItem();
		combo = target.getCombo();
		choice = item.getChoice();
		ce = choice.getEntry(_key);
		if (ce != null) {
			combo.setSelectedItem(ce);
		}
	}

	/**
	 * Implementation of FormAction interface.
	 */
	public void executeAction(ItemGUIContainer target) {
		JComponent compo;

		if (_key == null)
			return;
		if (target == null)
			return;
		compo = target.getComponent();
		if (compo == null)
			return;

		switch (target.getType()) {
			case ItemGUIContainer.COMBO_TYPE:
				selectComboValue(target);
				break;
		}
	}

	/**
	 * Implementation of FormAction interface.
	 */
	public String getStringRepr() {
		return getName() +
				"=" +
				getTargetItemName() +
				":select:" +
				getKey();
	}
}
